About: http://webisa.webdatacommons.org/21293612

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This phenomenon is especially important to users who must wear respiratory masks for extended periods such as patients undergoing respiratory therapy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca